Bests & Worsts Reviews from Amazon

I purchased the Battery Tender 4 bank charger-maintainer in June of 2009 through Amazon. Its primarily use was to maintain batteries in my motorhome. After 9 months of continuous use one bank quit working. The unit was listed as having a 2 year warranty, but when I called Deltran Corporation I was advised there was a $25 evaluation fee, even though it was still within the warranty period. There was nothing in the instruction booklet that prepared me for this. It showed the length of warranty for each of their maintainers, but no mention of evaluation fees. I was politely told that this information was posted on their website. Their website indeed showed the "evaluation fees" for each of their products. Basically all repairs are free for the first 90 days, after that you have to pay the evaluation fee. This applies to all the Battery Tender chargers-maintainers. Since the repair, there has been no further problems. It has been in use now for 17 months. Would I have purchase it had I know about the goofy warranty? NO. I am not bummed out about the failure of the unit, "things happen", but I am with regards to the warranty. My advice would be to visit their website and completely understand the warranty before you purchase any of their maintainers.